forked from HDFGroup/hdf5
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathgen_filters.c
242 lines (208 loc) · 7.2 KB
/
gen_filters.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the LICENSE file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* [email protected]. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "h5test.h"
#define TESTFILE1 "test_filters.h5"
#define TESTFILE2 "filter_error.h5"
#define DSETNAME "dataset_with_filter"
/* Temporary filter IDs used for testing */
#define H5Z_FILTER_BOGUS 305
/* Local prototypes for filter functions */
static size_t filter_bogus(unsigned int flags, size_t cd_nelmts, const unsigned int *cd_values, size_t nbytes,
size_t *buf_size, void **buf);
/*-------------------------------------------------------------------------
* Function: create_file_with_bogus_filter
*
* Purpose: Create a dataset with the fletcher filter.
* This function is used to create the test file `test_filters.h5'
* which has a dataset with the "fletcher" I/O filter. This dataset
* will be used to verify the correct behavior of the library in
* the test "dsets"
*
* Return: Success: 0
*
* Failure: -1
*
*-------------------------------------------------------------------------
*/
static herr_t
test_filters_endianess(void)
{
hid_t fid = H5I_INVALID_HID; /* file ID */
hid_t dsid = H5I_INVALID_HID; /* dataset ID */
hid_t sid = H5I_INVALID_HID; /* dataspace ID */
hid_t dcpl = H5I_INVALID_HID; /* dataset creation property list ID */
hsize_t dims[1] = {20}; /* dataspace dimensions */
hsize_t chunk_dims[1] = {10}; /* chunk dimensions */
int buf[20];
int rank = 1;
int i;
for (i = 0; i < 20; i++)
buf[i] = 1;
/* create a file using default properties */
if ((fid = H5Fcreate(TESTFILE1, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT)) < 0)
goto error;
/* create a data space */
if ((sid = H5Screate_simple(rank, dims, NULL)) < 0)
goto error;
/* create dcpl */
if ((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
goto error;
if (H5Pset_chunk(dcpl, rank, chunk_dims) < 0)
goto error;
if (H5Pset_fletcher32(dcpl) < 0)
goto error;
/* create a dataset */
if ((dsid = H5Dcreate2(fid, "dset", H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
goto error;
if (H5Dwrite(dsid, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0)
goto error;
/* close */
if (H5Pclose(dcpl) < 0)
goto error;
if (H5Dclose(dsid) < 0)
goto error;
if (H5Sclose(sid) < 0)
goto error;
if (H5Fclose(fid) < 0)
goto error;
return 0;
error:
H5E_BEGIN_TRY
{
H5Pclose(dcpl);
H5Dclose(dsid);
H5Sclose(sid);
H5Fclose(fid);
}
H5E_END_TRY
return -1;
} /* end test_filters_endianess() */
/* This message derives from H5Z */
const H5Z_class2_t H5Z_BOGUS[1] = {{
H5Z_CLASS_T_VERS, /* H5Z_class_t version */
H5Z_FILTER_BOGUS, /* Filter id number */
1, 1, /* Encoding and decoding enabled */
"bogus", /* Filter name for debugging */
NULL, /* The "can apply" callback */
NULL, /* The "set local" callback */
filter_bogus, /* The actual filter function */
}};
/*-------------------------------------------------------------------------
* Function: filter_bogus
*
* Purpose: A bogus compression method that doesn't do anything.
*
* Return: Success: Data chunk size
*
* Failure: 0
*
*-------------------------------------------------------------------------
*/
static size_t
filter_bogus(unsigned int H5_ATTR_UNUSED flags, size_t H5_ATTR_UNUSED cd_nelmts,
const unsigned int H5_ATTR_UNUSED *cd_values, size_t nbytes, size_t H5_ATTR_UNUSED *buf_size,
void H5_ATTR_UNUSED **buf)
{
return nbytes;
}
/*-------------------------------------------------------------------------
* Function: create_file_with_bogus_filter
*
* Purpose: Create a file and a dataset with a bogus filter enabled
*
* Return: Success: 0
*
* Failure: -1
*
*-------------------------------------------------------------------------
*/
static herr_t
create_file_with_bogus_filter(void)
{
hid_t fid = H5I_INVALID_HID; /* file ID */
hid_t dsid = H5I_INVALID_HID; /* dataset ID */
hid_t sid = H5I_INVALID_HID; /* dataspace ID */
hid_t dcpl = H5I_INVALID_HID; /* dataset creation property list ID */
hsize_t dims[1] = {20}; /* dataspace dimensions */
hsize_t chunk_dims[1] = {10}; /* chunk dimensions */
int buf[20];
int rank = 1;
int i;
for (i = 0; i < 20; i++)
buf[i] = 1;
/* create a file using default properties */
if ((fid = H5Fcreate(TESTFILE2, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT)) < 0)
goto error;
/* create a data space */
if ((sid = H5Screate_simple(rank, dims, NULL)) < 0)
goto error;
/* create dcpl */
if ((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
goto error;
/* create chunking */
if (H5Pset_chunk(dcpl, rank, chunk_dims) < 0)
goto error;
/* register bogus filter */
if (H5Zregister(H5Z_BOGUS) < 0)
goto error;
if (H5Pset_filter(dcpl, H5Z_FILTER_BOGUS, 0, (size_t)0, NULL) < 0)
goto error;
/* create a dataset */
if ((dsid = H5Dcreate2(fid, DSETNAME, H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
goto error;
if (H5Dwrite(dsid, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0)
goto error;
/* close */
if (H5Pclose(dcpl) < 0)
goto error;
if (H5Dclose(dsid) < 0)
goto error;
if (H5Sclose(sid) < 0)
goto error;
if (H5Fclose(fid) < 0)
goto error;
return 0;
error:
H5E_BEGIN_TRY
{
H5Pclose(dcpl);
H5Dclose(dsid);
H5Sclose(sid);
H5Fclose(fid);
}
H5E_END_TRY
return -1;
}
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: call the generator function
*
* Return: Success:
*
*-------------------------------------------------------------------------
*/
int
main(void)
{
int nerrors = 0;
nerrors += test_filters_endianess() < 0 ? 1 : 0;
nerrors += create_file_with_bogus_filter() < 0 ? 1 : 0;
if (nerrors)
goto error;
printf("All tests passed.\n");
return 0;
error:
nerrors = MAX(1, nerrors);
printf("***** %d GEN_FILTERS FAILURES *****\n", nerrors);
return 1;
}